The transformation f(x)↦7f(x) does vertical stretch by a factor of 7 in f(x)
Given :
the transformation f(x)↦7f(x)
In the given transformation f(x)↦7f(x)
7 is multiplied with f(x). 7 is greater than 1
So, there will be vertical stretch by a factor 7 in f(x)
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